3 interrupt details, 3 interrupt details -4 – Cirrus Logic EP93xx User Manual
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6-4
DS785UM1
Copyright 2007 Cirrus Logic
Vectored Interrupt Controller
EP93xx User’s Guide
6
6
6
6.1.3 Interrupt Details
Details of the interrupts described in
are:
COMMRX
ARM Communication Channel Receive. When high,
COMMRX indicates that the communications channel
receive buffer contains data waiting to be read by the ARM
Core. Refer to the ARM Technical Reference Manual.
COMMTX
ARM Communication Channel Transmit. When high
COMMTX indicates that the communications channel
transmit buffer is empty. Refer to the ARM Technical
Reference Manual.
32
INT_EXT[0]
External Interrupt 0
33
INT_EXT[1]
External Interrupt 1
34
INT_EXT[2]
External Interrupt 2
35
TINTR
64 Hz Tick Interrupt
36
WEINT
Watchdog Expired Interrupt
37
INT_RTC
RTC Interrupt
38
INT_IrDA
IrDA Interrupt
39
INT_MAC
Ethernet MAC Interrupt
40
-
Reserved
41
INT_PROG
Raster Programmable Interrupt
42
CLK1HZ
1 Hz Clock Interrupt
43
V_SYNC
Video Sync Interrupt
44
INT_VIDEO_FIFO
Raster Video FIFO Interrupt
45
INT_SSP1RX
SSP Receive Interrupt
46
INT_SSP1TX
SSP Transmit Interrupt
47
-
Reserved
48
-
Reserved
49
-
Reserved
50
-
Reserved
51
TC3UI
TC3 under flow interrupt (Timer Counter 3)
52
INT_UART1
UART 1 Interrupt
53
SSPINTR
Synchronous Serial Port Interrupt
54
INT_UART2
UART 2 Interrupt
55
INT_UART3
UART 3 Interrupt
56
USHINTR
USB Host Interrupt
57
INT_PME
Ethernet MAC PME Interrupt
58
INT_DSP
ARM Core Interrupt
59
GPIOINTR
GPIO Combined interrupt
60
I2SINTR
I2S Block Combined interrupt
61
-
Unused
62
-
Unused
63
-
Unused
Table 6-1. Interrupt Configuration
VIC Interrupt
Source
Name
Description